[Nouveau] [Bug 70354] [NVE6, NVE7] HUB_INIT timeout on graph init, blob fw doesn't help

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70354

--- Comment #83 from Julien Isorce <julien.isorce at gmail.com> ---
(In reply to Ilia Mirkin from comment #82) 
> You should see the following print:
> 
> nvkm_info(&pmu->subdev, "hw bug workaround enabled\n");
> 
> in your kernel log. You need to be running Linux 4.3-rcN for that code to
> exist in the driver (or a driver built from Ben's repo).

Thx for the info. I do not see this trace and actually it seems that the code
around the workaround is not called. Is it possible that it fails before ?
"timeout at
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:1478/gf100_gr_init_ctxctl"

It timeouts from gf100.c and the trace you pointed is in gk104.c, if it helps.
I added more traces in gk104_pmu_pgob and it does not print. 
(I set: echo 9 | sudo tee /sys/module/drm/parameters/debug   and  added some
nvkm_error,   nothing about "workaround" in /var/logs/kern.log")

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